2007-07-21 17:26:05 · 5 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics
circle area = radius^2 x pi (approx 3.14)
Now just plug in all those numbers for the radius, and find the answers yourself. It'll benefit you more than others just telling you the answer.
2007-07-21 17:32:30 · answer #1 · answered by Team_Balla 3 · 0⤊ 0⤋
Area = pi * (radius squared)
You do the math, it is so simple.
2007-07-22 00:31:17 · answer #2 · answered by Justin D 5 · 0⤊ 0⤋
A=r²Ï
Ïâ3.14159
a)
A=(7 cm)²Ï
A=153.94 cm²
b)
A=(6.9 m)²Ï
A=149.57 m²
c)
A=(14 dm)²Ï
A=615.75 dm²
2007-07-22 00:35:33 · answer #3 · answered by Worm Brain 2 · 0⤊ 0⤋
Why would I want to do that?
2007-07-22 00:28:33 · answer #4 · answered by Boomer 5 · 0⤊ 0⤋
a)153.93804cm(squared)
b)1495712.262cm(squared)
c)615.7521601dm(squared)
2007-07-22 00:31:13 · answer #5 · answered by Thiefzor 1 · 0⤊ 0⤋